All iPhones come with Apple's Maps-app, which is Google based, but has some Apple special sauce on it... but it's not the same as GoogleMaps on Android.
Originally Posted by stang7043
If all one has ever experienced is the "free" apps on an iPhone, you'll think it's the greatest - but if you've ever owned a stand-alone GPSr/PND - the free apps suck in comparison.
Personally, I'm partial to Navigon's app. It's quite affordable - and well worth it, IMO and is for me the closest end-user experience I'm accustomed to using my Garmin Nuvi.